The Sellita caliber SW500 is a 6-9-12 layout automatic chronograph movement based on the popular ETA/Valjoux 7750 framework. It is what is referred to as an "ETA clone" movement. This caliber was introduced as a Swiss made competitor to the 7750 and has been on the market since at least September 2012.
Last updated 22 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
25 jewels
Power Reserve
48h
Frequency
28,800 vph (4 Hz)
Diameter
30.4mm
Height
7.9mm
Display Type
Analog
Shock Protection
Incabloc
COMPLICATIONS
ChronographDateDay12-Hour Counter30-Minute Counter
FEATURES
Cam-Actuated
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheLAUNCH YEAR
2012BASED ON
Sellita SW500-1CALIBER FAMILY
SW500COUNTRY
SwitzerlandALSO KNOWN AS
sw500-1
FOR WATCH DEALERS
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